AIR FILTER RTECH YAMAHA YZ250F YZ450FX WR450F 24-ON YZ450F 23-ONThe Rtech Air Filter's design, high quality materials and superior construction deliver unbeatable performance and protection Rtech filters are designed to increase airflow while ensuring the highest level of protection from dirt dust. Coarse open pore foam catches airborne dirt, grime and sand. Fine open pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. Exclusively formulated adhesive ensures